/Engine/Source/Runtime/RenderCore/Public/ShaderCompilerCore.h
Explicitly-defaulted copy/move ctors & assignment operators are needed temporarily due to deprecation of bGenerateDirectCompileFile field. These can be removed once the deprecation window for said field ends.
PRAGMA_DISABLE_DEPRECATION_WARNINGS FShaderCompilerInput ( [FShaderCompilerInput](API\Runtime\RenderCore\FShaderCompilerInput) && )